x(1-3x)+3x-1 (Explanation needed)

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x(1-3x)+3x-1

Guest Oct 2, 2014

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Use the distributive property on x(1-3x) to get x·(1) - x·(3x)

x·(1) = 1x or just x

x·(3x) = 3·x·x = 3x²

So x(1-3x) = x - 3x²

Now: x(1-3x) + 3x - 1 = x - 3x² + 3x -1

To simplify this: x + 3x = 4x

So, the answer is: - 3x² + 4x -1

geno3141 Oct 2, 2014

1⁺⁰ Answers

+23245

+5

Best Answer

Use the distributive property on x(1-3x) to get x·(1) - x·(3x)

x·(1) = 1x or just x

x·(3x) = 3·x·x = 3x²

So x(1-3x) = x - 3x²

Now: x(1-3x) + 3x - 1 = x - 3x² + 3x -1

To simplify this: x + 3x = 4x

So, the answer is: - 3x² + 4x -1

geno3141 Oct 2, 2014

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